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-rw-r--r--tangle/003tangle.cc27
-rw-r--r--tangle/003tangle.test.cc67
2 files changed, 69 insertions, 25 deletions
diff --git a/tangle/003tangle.cc b/tangle/003tangle.cc
index bc67051a..384af5e6 100644
--- a/tangle/003tangle.cc
+++ b/tangle/003tangle.cc
@@ -310,7 +310,7 @@ void emit_test(const string& name, list<Line>& lines, list<Line>& result) {
       lines.pop_front();
     }
     if (lines.empty()) break;
-    result.push_back(input_lines(lines));
+    emit_input_lines(lines, result);
     emit_expected_in_trace(lines, result);
     while (!lines.empty() && !front(lines).contents.empty() && front(lines).contents.at(0) == '-') {
       result.push_back(expected_not_in_trace(front(lines)));
@@ -341,17 +341,24 @@ bool is_input(const string& line) {
   return line != "===" && line.find_first_of("+-$?%") != 0;
 }
 
-Line input_lines(list<Line>& hunk) {
+void emit_input_lines(list<Line>& hunk, list<Line>& out) {
   assert(!hunk.empty());
-  Line result;
-  result.line_number = hunk.front().line_number;
-  result.filename = hunk.front().filename;
-  while (!hunk.empty() && is_input(hunk.front().contents)) {
-    result.contents += hunk.front().contents+"";  // temporary delimiter; replace with escaped newline after escaping other backslashes
-    hunk.pop_front();
+  Line curr_out;
+  curr_out.line_number = hunk.front().line_number;
+  curr_out.filename = hunk.front().filename;
+  curr_out.contents = "  "+Toplevel+"(";
+  out.push_back(curr_out);
+  for (/*nada*/;  !hunk.empty() && is_input(front(hunk).contents);  hunk.pop_front()) {
+    Line curr_out;
+    curr_out.line_number = front(hunk).line_number;
+    curr_out.filename = front(hunk).filename;
+    curr_out.contents = "      \""+escape(front(hunk).contents+'')+"\"";
+    out.push_back(curr_out);
   }
-  result.contents = "  "+Toplevel+"(\""+escape(result.contents)+"\");";
-  return result;
+  curr_out.line_number = out.back().line_number;
+  curr_out.filename = out.back().filename;
+  curr_out.contents = "  );";
+  out.push_back(curr_out);
 }
 
 // pull lines starting with '+' out of 'hunk', and append translated lines to 'out'
diff --git a/tangle/003tangle.test.cc b/tangle/003tangle.test.cc
index 606e6fc9..4a1dc8de 100644
--- a/tangle/003tangle.test.cc
+++ b/tangle/003tangle.test.cc
@@ -363,7 +363,9 @@ void test_tangle_supports_scenarios() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: xyz\"");  lines.pop_front();
@@ -381,7 +383,9 @@ void test_tangle_ignores_empty_lines_in_scenarios() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: xyz\"");  lines.pop_front();
@@ -409,7 +413,9 @@ void test_tangle_supports_configurable_toplevel() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  foo(\"abc def\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  foo(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
@@ -430,7 +436,9 @@ void test_tangle_can_hide_warnings_in_scenarios() {
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  Hide_warnings = true;");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: xyz\"");  lines.pop_front();
@@ -448,7 +456,9 @@ void test_tangle_can_include_c_code_at_end_of_scenario() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: xyz\"");  lines.pop_front();
@@ -465,7 +475,9 @@ void test_tangle_can_include_c_code_at_end_of_scenario_without_trace_expectation
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  int x = 1;");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "}");  lines.pop_front();
   CHECK(lines.empty());
@@ -479,7 +491,9 @@ void test_tangle_supports_strings_in_scenarios() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc \\\"def\\\"\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc \\\"def\\\"\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: \\\"xyz\\\"\"");  lines.pop_front();
@@ -496,7 +510,9 @@ void test_tangle_supports_strings_in_scenarios2() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc \\\"\\\"\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc \\\"\\\"\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: \\\"\\\"\"");  lines.pop_front();
@@ -514,7 +530,10 @@ void test_tangle_supports_multiline_input_in_scenarios() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n  efg\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"  efg\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: \\\"\\\"\"");  lines.pop_front();
@@ -533,9 +552,13 @@ void test_tangle_supports_reset_in_scenarios() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CLEAR_TRACE;");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"efg\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"efg\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer2: \\\"\\\"\"");  lines.pop_front();
@@ -555,7 +578,10 @@ void test_tangle_can_check_for_absence_at_end_of_scenarios() {
 //?   for (list<Line>::iterator p = lines.begin();  p != lines.end();  ++p)
 //?     cerr << p->contents << '\n';
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n  efg\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"  efg\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
@@ -573,7 +599,10 @@ void test_tangle_can_check_for_absence_at_end_of_scenarios2() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n  efg\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"  efg\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_DOESNT_CONTAIN(\"layer1: pqr\");");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_DOESNT_CONTAIN(\"layer1: xyz\");");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "}");  lines.pop_front();
@@ -588,7 +617,10 @@ void test_tangle_can_check_for_count_in_scenario() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n  efg\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"  efg\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_COUNT(\"layer1\", 2);");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "}");  lines.pop_front();
   CHECK(lines.empty());
@@ -612,7 +644,12 @@ void test_tangle_can_handle_mu_comments_in_scenario() {
   list<Line> lines;
   tangle(in, lines);
   CHECK_EQ(lines.front().contents, "void test_does_bar() {");  lines.pop_front();
-  CHECK_EQ(lines.front().contents, "  run(\"abc def\\n# comment1\\n  efg\\n  # indented comment 2\\n\");");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  run(");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"abc def\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"# comment1\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"  efg\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "      \"  # indented comment 2\\n\"");  lines.pop_front();
+  CHECK_EQ(lines.front().contents, "  );");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "  CHECK_TRACE_CONTENTS(");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: pqr\"");  lines.pop_front();
   CHECK_EQ(lines.front().contents, "      \"layer1: xyz\"");  lines.pop_front();